DE102018205081A1 - Steering column for a motor vehicle - Google Patents

Abstract

The present invention relates to a method for assembling an annular sealing element (3), which is formed by a sealing cord (31) encircling an opening (32), on a sealing receptacle (23) encircling the outside of a component (21), comprising the steps Inserting two mounting fingers (41, 51) into the opening (32) of the annular sealing element (3), clamping the annular sealing element (3) by moving the mounting fingers (41, 51) apart to form a cord portion tensioned freely between the mounting fingers (31a) the sealing cord (31), - application of the tensioned cord section (31a) in a contact region (31b) to the seal receiver (23), - application of the annular seal element (3) with its opening (32) on the seal receiver (23 Removing the mounting fingers (41, 51) from the annular sealing element (3). To reduce mechanical stress and deformation in automated assembly The invention proposes that, in order to apply the annular sealing element (3), the mounting fingers (41, 51) are moved following the course of the sealing receptacle (23), in order to bypass the sealing receptacle (23) in opposite directions.

Description

State of the art

• - Einführen von zwei Montagefingern in die Öffnung des ringförmigen Dichtungselements ,
• - Aufspannen des ringförmigen Dichtungselements durch Auseinanderbewegen der Montagefinger unter Bildung eines zwischen den Montagefingern frei gespannten Schnurabschnitts der Dichtschnur,
• - Anlegen des frei gespannten Schnurabschnitts in einem Kontaktbereich an die Dichtungsaufnahme,
• - Aufbringen des ringförmigen Dichtungselements mit seiner Öffnung auf die Dichtungsaufnahme,
• - Entfernen der Montagefinger aus dem ringförmigen Dichtungselement.

The invention relates to a method for assembling an annular sealing element, which is formed by a sealing cord running around an opening, on a sealing receptacle surrounding the outside of a component,
comprising the steps:

• Inserting two mounting fingers into the opening of the annular sealing element,
• - clamping the annular sealing element by moving apart of the mounting fingers to form a tension between the mounting fingers freely stretched cord portion of the sealing cord,
• Applying the tensioned cord section in a contact region to the seal receiver,
• Applying the annular sealing element with its opening on the seal receiver,
• - Remove the mounting fingers from the annular sealing element.

For sealing a component within a counterpart component that surrounds this from the outside, it is known to form an annular sealing element, such as an O-ring, which is formed from an elastic sealing material by an endless annular or sealing cord annularly surrounding an opening and therefore also called a ring-cord seal is inserted between the outer periphery of the component and the inner periphery of said counterpart component. The component has a circumferential on an outer circumferential surface seal receptacle, for example, a circumferential, outwardly open groove whose course corresponds to the opening cross-section of the O-ring. For assembly, the component can be inserted through the opening of the O-ring, until the O-ring surrounds the component in the region of the seal receptacle. With the seal thus mounted, the component is then inserted with its seal receptacle in the mating component, wherein the sealing cord fills the circumferential annular gap between the component and mating component elastic sealing.

A method for automated assembly of an O-ring on a cylindrical component is in DE 10 2006 044 748 A1 described. This provides that two elongated, referred to as needling pins, pin-shaped mounting fingers are inserted together with their free ends in the opening of an O-ring, and then moved apart transversely to the insertion direction, whereby the O-ring spread to an oval shape or is spanned. As a result, a tensioned cord section is formed between the mounting fingers, which is applied in a contact area from the outside to the seal receptacle. This is achieved by swiveling the component in a relative movement into the open cross section of the O-ring clamped between the mounting fingers. In this way, the O-ring is pulled over the component until the entire seal receptacle is completely immersed in the O-ring. Finally, the mounting fingers are pulled out against the direction of insertion between the O-ring and the component.

The known automated assembly of the annular sealing element or the O-ring on a component is advantageous over a manual assembly for a rational production. The disadvantage, however, is that the O-ring when mounting and mounting by the mounting fingers must be stretched relatively far and may occur due to the predetermined movement undesirable mechanical stress, twisting or twisting of the O-ring when mounting on the gasket.

In view of the above-described problem, it is an object of the present invention to provide an improved automated method for mounting an annular seal member to a seal receptacle encircling the outside of a component, which allows reduced mechanical stress and deformation during assembly.

Presentation of the invention

This object is achieved by a method having the features of claim 1. Advantageous developments emerge from the dependent claims.

• - Einführen von zwei Montagefingern in die Öffnung des ringförmigen Dichtungselements ,
• - Aufspannen des ringförmigen Dichtungselements durch Auseinanderbewegen der Montagefinger unter Bildung eines zwischen den Fingern frei gespannten Schnurabschnitts der Dichtschnur,
• - Anlegen des frei gespannten Schnurabschnitts in einem Kontaktbereich an die Dichtungsaufnahme,
• - Aufbringen des ringförmigen Dichtungselements mit seiner Öffnung auf die Dichtungsaufnahme,
• - Entfernen der Montagefinger aus dem ringförmigen Dichtungselements, vorgeschlagen, dass zum Aufbringen des ringförmigen Dichtungselements die Montagefinger dem Verlauf der Dichtungsaufnahme folgend bewegt werden, zum gegenläufigen Umfahren der Dichtungsaufnahme.

According to the invention, for a method for mounting an annular sealing element, which is formed by a sealing cord running around an opening, on a sealing receptacle surrounding the outside of a component, comprising the steps:

• Inserting two mounting fingers into the opening of the annular sealing element,
• - Clamping of the annular sealing member by moving apart of the mounting fingers to form a freely tensioned between the fingers cord section of the sealing cord,
• Applying the tensioned cord section in a contact region to the seal receiver,
• - Applying the annular sealing element with its opening on the seal receptacle,
• Removal of the mounting fingers from the annular sealing element, proposed that for applying the annular sealing element, the mounting fingers are moved following the course of the seal receptacle, for oppositely driving around the seal receptacle.

The annular sealing element is preferably an O-ring and may be formed as a shaft seal and particularly preferably as an O-ring, which is a closed ring with a round cross-section. Furthermore, it is conceivable and possible that the annular sealing element may be formed in cross section as a regular or irregular polygon. For simplicity, the embodiments of the annular sealing element are further subsumed simply by the term O-ring.

In the method according to the invention, the mounting fingers are moved along the seal receptacle, wherein the sealing cord is positioned behind the mounting finger from the outside on the seal receptacle. When creating the contact area is between the mounting fingers. For countercurrent avoidance, viewed from the contact region, one finger moves continuously in one direction along the seal receiver, and the other finger in the opposite direction, so that the circumference of the component in the region of the seal receiver is at least partially bypassed by the assembly fingers. In this case, during the application, the annular sealing element is preferably always between the contact region, in which the annular sealing element is already in contact with the gasket receptacle and which is continuously enlarged when driving around, and the two assembly fingers are clamped.

According to the invention, the sealing cord is continuously controlled by the mounting fingers and positioned in the correct position relative to the component on the seal holder. This is achieved in that during the application not only as in the prior art, a relative movement of the clamped as a whole O-ring to the component, while the mounting fingers remain in the clamped position, but in addition the mounting fingers are preferably moved continuously relative to each other, depending on the relative position of the O-ring to the seal receiving. The relative movement of the mounting fingers can follow the course of the seal receptacle in the room. As a result, an excessively wide initial clamping for adaptation to the component cross-section can be avoided. In addition, unwanted and potentially detrimental deformations of the O-ring can be largely prevented. As a result, the mechanical stress of the sealing cord during assembly can be reduced, and the sealing function can be better ensured.

In addition, another advantage is that an O-ring can be mounted not only on a cylindrical component but also on a component of asymmetrical or irregular cross-section in the region of the seal receiver. The adaptation of the known from the prior art method of such applications is not possible or only with great effort.

An advantageous embodiment is that the mounting fingers are moved when driving around with substantially constant distance to the seal holder. As a result, the sealing cord is introduced and applied at a uniform angle to the seal holder. The mechanical stress of the sealing cord during assembly can be evened out, even with irregular or asymmetrical component cross-sections. Deformations can also be reduced.

It can be provided that the mounting fingers are attached to robotic manipulators which are movable independently of each other in a multi-axis manner. Multi-axis robotic manipulators are known, for example, in the form of robot arms, and allow a free multi-axis, possibly separate or simultaneous translational and / or rotational movement of an attached mounting finger in space. Due to the independent mobility of the mounting fingers for clamping the O-ring, and in particular when driving around the seal receptacle are moved relative to each other. By synchronous movement, for example, the approach of a clamped O-ring for applying to the seal receptacle done.

A particular advantage is that by appropriate programming of the robot manipulators an adaptation to a wide variety of O-rings and component geometries with little effort is possible. As a result, a universal use of an assembly plant for different designs and designs of components and O-rings is possible, so that an advantageous, rational production can be realized.

The mounting fingers are preferably elongated, pin-shaped, and may be cylindrical with a circular cross-section.

It can be provided that at least one mounting finger has a holding device in which the sealing cord during clamping and driving around is positioned. The holding device may comprise, for example, a retaining groove which preferably revolves around the mounting finger and in which the O-ring can preferably be positioned and held in a form-fitting manner. By the holding device, the O-ring can be held in a clearly defined position along the mounting finger, so that in the clamped state of the O-ring is clearly positioned on the mounting fingers and consequently the application can be simplified on the basis of the positioning of the mounting fingers. Another advantage is that the mounting fingers can be moved when driving around so that the position of the holding device, such as a retaining groove follows the course of the seal receptacle, preferably with substantially constant distance and angle between the holding device and the contact point in which the sealing cord when bypassing continuously comes into contact with the seal holder. A circumferential retaining groove can be easily formed and designed for the positive reception of the sealing cord. Characterized in that the retaining groove may be formed circumferentially around the mounting finger, the sealing cord is securely and accurately positioned and guided during the Umfahren in each case continuous orientation between the mounting finger and O-ring. If the mounting fingers are cylindrical, the holding device can comprise as a retaining groove a circumferential, outwardly open radial groove. Compared to the above-mentioned prior art, which discloses only smooth mounting fingers, a better defined positioning of the O-ring is made possible by the holding device. Furthermore, the sealing cord can also be positioned on a seal receptacle that is not parallel to a receiving plane but three-dimensionally extending in space.

A further development of the method provides that, for removal, the mounting fingers are tilted relative to the seal receiver and the annular seal member. The removal occurs as soon as the circumference of the seal receiver is largely bypassed, so that the O-ring already completely surrounds the seal receiver, or in other words, the component is located completely within the opening of the O-ring. The contact region then extends over the already circumvented peripheral region, in which the sealing cord is positioned adjacent to the seal receiver, and is stretched elastically only in a relatively smaller residual section between the assembly fingers. Said remaining portion can be positioned following the mounting finger relative to the remaining free circumference of the seal receptacle, so that at the end of the assembly, only the mounting fingers between the sealing ring and the component must be moved out. According to the invention it is proposed that the mounting fingers are quasi swung out or -gekippt, by a rotational movement about a tilt axis which extends parallel to a portion in the course of the O-ring, or in a mounting plane, which by the course of the sealing cord between the mounting fingers and the contact area is spanned. In other words, the mounting fingers are levered out of the gap between the seal receiver and the O-ring. An advantage over the prior art, in which the mounting fingers are pulled translationally perpendicular to said mounting plane, is that both incorrect positioning of the O-ring relative to the seal receiving, as well as undesirable stresses and deformations of the sealing cord can be largely avoided.

The tilting for removing the mounting fingers can be advantageously realized in the above-mentioned embodiment, in which the mounting fingers are attached to independently multi-axially movable Roboterermanipulatoren. The tilting movement can be realized with little effort by programming the trajectory of the robot manipulators.

The seal receptacle are formed by an outer circumferential groove on the component. The outwardly open groove extends around the component and encloses this with its course, and is formed, for example, in a cylindrical component as outside on the jacket circumferential radial groove. The open groove cross section may preferably be adapted to the shape and dimension of the sealing cross section of the sealing cord.

The annular sealing member may extend in clamping substantially parallel to a clamping plane having a clamping normal direction. Before the application, when the O-ring is clamped between the mounting fingers, this, if the mounting fingers have a circular cross-section, the O-ring forms an oval located in the mounting plane.

The seal receptacle may extend substantially parallel to a receiving plane having a recording normal direction. A circumferential groove around the component receiving the seal receiving means may be formed, for example, as a radial groove which extends parallel to a radial plane.

Prior to application of the tensioned cord portion, the clamping plane may be inclined relative to the receiving plane for contacting the inside of the cord with the seal receiver in the contact region. When applying the O-ring is tilted obliquely relative to the course of the seal holder. The rotational movement for tilting and the translational movement for applying can favorably be accomplished with a previously mentioned Robotemanipulator.

It is possible that the clamping plane is tilted to the receiving plane when driving around. The O-ring is aligned parallel to the mounting plane when tilted, which is inclined relative to the receiving plane. When driving around, the clamping plane can be aligned parallel to the clamping plane, preferably continuously in a rotational or tilting movement that is synchronous for bypassing, so that the clamping plane lies in the receiving plane when the bypassing is completed. Such a movement allows a better positioning of the O-ring on the gasket, as in the prior art, and can be conveniently implemented by means of the robot manipulators described above.

The component may be, for example, a housing of a motor vehicle steering, for example, a gear housing or a sensor housing, which may preferably have as a seal receptacle an outer circumferential radial groove. In the region of the seal receptacle, a connection housing, a housing cover or the like can be placed, wherein the O-ring seals the annular gap to the housing. The cross section of the housing may be round, or oval or polygonal. The method according to the invention then forms a method for mounting a motor vehicle steering system.

The use of the method according to the invention for mounting a motor vehicle steering system is particularly advantageous because, on the one hand, the highest demands are placed on rational and cost-effective production, and, on the other hand, the interaction of the components is highly safety-relevant, so that the optimum assembly of the O-ring is of particular importance ,

list of figures

• 1 eine Kraftfahrzeuglenkung in einer schematischen perspektivischen Ansicht,
• 2 ein Getriebe (Lenkunterstützungsgetriebe) einer Kraftfahrzeuglenkung gemäß 1 in einer schematischen perspektivischen Ansicht,
• 3 ein Längsschnitt durch das Getriebe gemäß 2,
• 4 bis 12 aufeinanderfolgende Verfahrensschritte bei der Montage eines O-Rings an einem Getriebe gemäß 2 und 3.

Advantageous embodiments of the invention are explained in more detail below with reference to the drawings. In detail show:

• 1 a motor vehicle steering system in a schematic perspective view,
• 2 a transmission (steering assist gearbox) of a motor vehicle steering according to 1 in a schematic perspective view,
• 3 a longitudinal section through the transmission according to 2 .
• 4 to 12 successive steps in the assembly of an O-ring to a transmission according to 2 and 3 ,

Embodiments of the invention

In the various figures, the same parts are always provided with the same reference numerals and are therefore usually named or mentioned only once in each case.

In 1 is a motor vehicle steering 100 schematically illustrated, wherein a driver via a steering wheel 102 a corresponding steering torque (steering torque) as a steering command in a steering shaft 1 can contribute. The steering torque is via the steering shaft 1 on a steering pinion 104 Transferring with a rack 106 meshes, which in turn over a shift of the tie rods 108 the predetermined steering angle on the steerable wheels 110 of the motor vehicle transmits.

An electric power assist may take the form of an input side with the steering shaft 1 coupled auxiliary assistance 112 , one with the pinion 104 coupled auxiliary assistance 114 and / or one with the rack 106 coupled auxiliary assistance 116 be provided. The respective assistant assistance 112 . 114 or 116 couples an auxiliary torque in the steering shaft 1 and / or the steering pinion 104 and / or an assistant in the rack 106 a, whereby the driver is assisted in the steering work. The three different, in the 1 illustrated auxiliary power assistance 112 . 114 and 116 show possible positions for their arrangement.

Usually, only a single one of the positions shown is with a power assistance 112 . 114 or 116 busy. The auxiliary torque or the auxiliary force, which in support of the driver by means of the respective auxiliary power assistance 112 . 114 or 116 is to be applied, taking into account one of a torque sensor 118 determined, introduced by the driver steering torque determined. Alternatively or in combination with the introduction of the auxiliary torque may be assisted by the auxiliary power 112 . 114 . 116 an additional steering angle can be introduced into the steering system, which coincides with that of the driver via the steering wheel 102 summed up applied steering angle.

The steering shaft 1 has on the input side one with the steering wheel 102 connected input shaft 10 and on the output side one with the rack 106 over the steering pinion 104 connected output shaft 12 on. The input shaft 10 and the output shaft 12 are torsionally elastic about one in the 1 unrecognizable torsion bar 119 (please refer 3 ) coupled together. This leads from a driver on the steering wheel 102 in the input shaft 10 Registered torque always then to a relative rotation of the input shaft 10 with respect to the output shaft 12 when the output shaft 12 not exactly synchronous to the input shaft 10 rotates. This relative rotation between input shaft 10 and output shaft 12 can be measured via a rotation angle sensor and accordingly due to the known torsional stiffness of the torsion bar a corresponding input torque relative to the output shaft 12 be determined. In this way, by determining the relative rotation between input shaft 10 and output shaft 12 the torque sensor 118 educated. Such a torque sensor 118 is known in principle and can be realized, for example, an electromagnetic sensor arrangement, as described below, or by another measurement of the relative rotation.

Accordingly, a steering torque which is transmitted from the driver via the steering wheel 102 on the steering shaft 1 or the input shaft 10 is applied, only the entry of an auxiliary torque by one of the auxiliary power assistance 112 . 114 . 116 cause when the output shaft 12 against the rotational resistance of the torsion bar relative to the input shaft 10 is twisted.

The torque sensor 118 can also be alternatively at the position 118 ' be arranged, in which case the opening of the steering shaft 1 in input shaft 10 and output shaft 12 and the torsionally flexible coupling via the torsion bar is present at a different position, in order to prevent the relative rotation of the over the torsion bar with the input shaft 10 coupled output shaft 12 to be able to determine a relative rotation and thus corresponding to an input torque and / or an auxiliary torque to be introduced.

The steering shaft 1 according to 1 furthermore comprises at least one gimbal joint 120 , By means of which the course of the steering shaft 1 can be adapted in the motor vehicle to the spatial conditions.

In the example shown, the auxiliary power assistance comprises 114 a gearbox 2 , which forms a steering assist gear, and in 3 in longitudinal section along the longitudinal axis L the steering shaft 1 is shown, and in 2 in perspective in partially assembled condition.

The gear 2 has a component 21 on, which forms a first housing part, which one at a in the representation of 3 in the axial direction of the longitudinal axis L left-facing approach 22 has, on which one as open to the outside, ie with respect to the longitudinal axis L radially open, with respect to the longitudinal axis L around the component 21 circumferential groove 23 is trained.

With the approach 22 grips the component 21 in a corresponding housing opening 24 a second housing part 25 one.

In the in 3 shown closed state are the housing parts 21 and 25 by fasteners 26 For example, screws or bolts, connected together. Between the groove 23 and the inside of the housing opening 24 there is a radial circumferential gap. An O-ring 3 is in the circumferential groove 23 inserted in a form-fitting manner and protrudes radially so far that it bears sealingly radially from the inside on the inside of the housing opening.

In 2 and 3 is recognizable as the steering shaft 1 around the longitudinal axis L rotatable in the housing parts 21 and 25 is stored and the housing passes through. On the steering shaft 1 is rotatably a gear wheel 130 attached, for example, a worm wheel of the power assistance 114 , which is sealed in the housing accommodated.

In the 4 to 12 are schematic individual steps of mounting the O-ring 3 in the groove 23 of the component 21 shown. The component 21 is schematically in an axial view in the direction of the longitudinal axis L shown, according to a view from the left according to 3 ,

The O-ring 3 is through a sealing cord 31 Made of a rubber-elastic material that surrounds an opening 32 circulates.

Each on a robot manipulator 4 and 5 is a mounting finger 41 and 51 attached, which is designed as a cylindrical pin and in each case in the front region a circumferential retaining groove 42 . 52 having as a holding device. The robot manipulators 4 . 5 allow a multi-axis movement of the mounting fingers 41 . 51 in space, at least translationally in the x-, y- and z-direction and rotationally about axes of rotation r, which in the example with respect to the longitudinal extent of the mounting fingers 41 . 51 are angled.

4 shows how the one mounting finger 51 in the direction of insertion into the opening 32 of the O-ring 3 is immersed, and then the other mounting finger 41 , so according to 5 both mounting fingers 41 . 51 in the opening, and so close to each other, that they are the sealing cord 31 do not touch first.

Subsequently, as in 6 shown the mounting fingers 41 . 51 moved apart in the arrow direction, ie by the robot manipulators 4 . 5 distanced relative to each other until the sealing cord 31 positively in the retaining grooves 42 . 52 is included. This is the O-ring 3 so oval-shaped spanned that between the mounting fingers 41 . 51 at least one freely stretched cord section 31a is formed.

The O-ring 3 is now clamped in a clamping plane, which relative to the receiving plane, parallel to the groove 23 runs and their normal direction identical to the longitudinal axis L is, is inclined.

Subsequently, the O-ring 3 by synchronized movement in the clamped state translationally transversely to the longitudinal axis L too moved, like in 7 shown until the sealing cord 31 starting with the inside of the cord section 31a in a contact area 31b the groove 23 contacted while it is inserted from the outside in this, as in 8th shown.

8th shows the application of the O-ring 3 to the gasket holder 23 ,

The following are the mounting fingers 41 . 51 by far the course of the groove 23 following relative to the component 21 moves as with the dashed arrows in 8th and 9 indicated. As a result, the opposite running around the groove 23 , This will be the contact area 31b in which the sealing cord 31 positively in the groove 23 is inserted, continuously over the circumference of the component 21 enlarged until the circumferential groove 23 completely in the opening 32 of the O-ring 3 is located as in 10 shown. 10 shows the end point when driving around, being between the mounting fingers 41 . 51 remaining free string section 31c at a distance parallel to the groove 23 is held.

While in the 8th to 10 shown phases, a simultaneous tilting movement of the robot manipulators 4 and 5 be carried out to the clamping plane of the O-ring 3 in the direction of the receiving plane of the groove 23 to pan until the two levels are in place 10 shown state parallel to each other.

To remove from the O-ring 3 there is a counter-rotating tilting of the mounting fingers 41 . 51 around the axes of rotation r , Which lie parallel to a mounting plane, which by the course of the sealing cord 31c between the mounting fingers 41 . 51 and the contact area 31b is spanned. This will be the mounting fingers 41 . 51 in a sense, from the space between the groove 32 and the cord section 31c of the O-ring 3 levered out and out of the O-ring 3 removed, with the sealing cord 31 from the retaining grooves 42 . 52 jumps and now completely in the circumferential groove 23 sitting.

This final state of assembly is in 12 shown. component 21 can now in the housing part 25 be used.

LIST OF REFERENCE NUMBERS

1

steering shaft

10

input shaft

12

output shaft

100

Motor vehicle steering system

102

steering wheel

103

steering gear

104

steering pinion

106

rack

108

tie rod

110

wheel

112

Power assistance

114

Power assistance

116

Power assistance

118

torque sensor

118 '

torque sensor

119

torsion bar

120

joint

130

Pinion

2

transmission

21

Component (housing part)

22

approach

23

groove

24

housing opening

25

housing part

3

annular sealing element / O-ring

31

sealing cord

31a

string section

31b

contact area

31c

string section

32

opening

4, 5

robot manipulator

41, 51

mounting tool

42, 52

retaining groove

L

longitudinal axis

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 102006044748 A1 [0003]

Claims (10)

Method of mounting an annular sealing element (3), which is formed by a sealing cord (31) encircling an opening (32), on a sealing receptacle (23) encircling the outside of a component (21), comprising the steps: Inserting two mounting fingers (41, 51) into the opening (32) of the annular sealing element (3), - clamping the annular sealing element (3) by moving apart of the mounting fingers (41, 51) to form a tension between the assembly fingers freely stretched cord portion (31 a) of the sealing cord (31), - applying the tensioned cord section (31a) in a contact region (31b) to the seal receptacle (23), - applying the annular sealing element (3) with its opening (32) on the seal receptacle (23), - Removing the mounting fingers (41, 51) from the annular sealing element (3), characterized in that for applying the annular sealing element (3), the mounting fingers (41, 51) are moved following the course of the seal receptacle (23), for opposite driving around the seal receptacle (23). Method according to Claim 1 Characterized in that the mounting fingers (41, 51) when driving with a substantially constant distance to the gasket receptacle (23) to be moved. Method according to one of the preceding claims, characterized in that the mounting fingers (41, 51) are attached to robotic manipulators (4, 5) which are movable independently of each other in a multi-axis manner. Method according to one of the preceding claims, characterized in that at least one mounting finger (41, 51) has a holding device (42, 52) in which the sealing cord (31) is positioned during clamping and driving around. Method according to one of the preceding claims, characterized in that for removal, the mounting fingers (41, 51) are tilted relative to the seal receptacle (23) and the annular sealing element (3). Method according to one of the preceding claims, characterized in that the seal receptacle (23) by an outer circumferential groove (23) is formed. Method according to one of the preceding claims, characterized in that the annular sealing element (3) extends during clamping substantially parallel to a clamping plane. Method according to one of the preceding claims, characterized in that the seal receptacle (23) extends substantially parallel to a receiving plane. Method according to one of the preceding claims, characterized in that prior to the application of the freely tensioned cord section (31a), the clamping plane is inclined relative to the receiving plane. Method according to Claims 7 to 9 , characterized in that when driving around the clamping plane is tilted to the receiving plane.

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